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Note 18 - Income Taxes (Details) - Components of Income Tax Expense (Benefit) Applicable to Continuing Operations (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 28, 2014
Dec. 31, 2014
Dec. 31, 2013
Current:      
Federal $ 0us-gaap_CurrentFederalTaxExpenseBenefit   $ 0us-gaap_CurrentFederalTaxExpenseBenefit
State 102us-gaap_CurrentStateAndLocalTaxExpenseBenefit   116us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Foreign 3,417us-gaap_CurrentForeignTaxExpenseBenefit   1,077us-gaap_CurrentForeignTaxExpenseBenefit
Total current income tax expense 3,519us-gaap_CurrentIncomeTaxExpenseBenefit   1,193us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:      
Federal 0us-gaap_DeferredFederalIncomeTaxExpenseBenefit   (2,061)us-gaap_DeferredFederalIncomeTaxExpenseBenefit
State 0us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit   (376)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Foreign 1,050us-gaap_DeferredForeignIncomeTaxExpenseBenefit   1,151us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Total deferred income tax expense (benefit) 1,050us-gaap_DeferredIncomeTaxExpenseBenefit 1,050us-gaap_DeferredIncomeTaxExpenseBenefit (1,286)us-gaap_DeferredIncomeTaxExpenseBenefit
$ 4,569us-gaap_IncomeTaxExpenseBenefit $ 4,569us-gaap_IncomeTaxExpenseBenefit $ (93)us-gaap_IncomeTaxExpenseBenefit